GDI Messages
The following table shows the GDI messages with a description of the purpose of each.
| Programming element | PPC | SP | Description |
|---|---|---|---|
| WM_PAINT | X | X | Sent by an application when Windows or another application makes a request to paint a portion of an application's window. |
| WM_PALETTECHANGED | X | X | Sent by the OS to all top-level and overlapped windows after the window with the keyboard focus realizes its logical palette. |
| WM_QUERYNEWPALETTE | X | X | Informs a window that it is about to receive the keyboard focus, giving the window the opportunity to realize its logical palette when it receives the focus. |
| WM_SETREDRAW | X | X | Is sent by an application to a window to enable changes in that window to be redrawn or to prevent changes in that window from being redrawn. |
| WM_SYSCOLORCHANGE | X | X | Is sent to all top-level windows when a change is made to a system color setting. |
See Also
Send Feedback on this topic to the authors